INFICON Composer Elite Gas Concentration Monitor User Manual
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Composer Elite Operating Manual
Table 5-21 Status commands
S
Command
ID
Name
Parameter
Range
(low/high)
Data
Type
Note
0
Current Data
Reserved (U20 - Bit 31)
Must always be 0.
Bit Pattern (U20 - Bit 30)
The value of the 4 Byte word returned.
Measurement Mode
(U20 - Bit 29)
0-6
Encode 0 = Idle
1 = Ready
2 = Search
3 = Track
4 = Quick Track
6 = Baseline
Concentration
(U20 - Bit 28)
(mole%)
Float
The current concentration value.
(mole%)
Temperature 1
(U20 - Bit 27)
0.0 -
71.00(ºC)
99.999
Float
The current temperature value of
Acoustic Sensor's resonant chamber.
99.999 if cable is disconnected.
Temperature 2
(U20 - Bit 26)
0.0 -
75.00(ºC)
99.999
Float
The current temperature value of
Acoustic Sensor's inlet tube. 99.999 if
cable is disconnected.
Errors
(U20 - Bit 25)
0 - 0xFFFF
FFFF
Encode Current error value. See
.
Warning
(U20 - Bit 24)
0 - 0xFFFF
FFFF
Encode Current warning value. See
Heater Status 1
(U20 - Bit 23)
0-6
Short
Status of Acoustic Sensor's resonant
chamber heater:
0 = Off
1 = Not at Temperature
2 = At Temperature
3 = Failed
4 = Cable Disconnected
5 = Near Temperature
6 = Over Temperature
Heater Status 2
(U20 - Bit 22)
0-6
Short
Status of Acoustic Sensor's inlet tube
heater:
0 = Off
1 = Not at Temperature
2 = At Temperature
3 = Failed
4 = Cable Disconnected
5 = Near Temperature
6 = Over Temperature
Sample Number
(U20 - Bit 21)
0-255
Byte
The current sample number.
Frequency (U20 - Bit 20)
Float
The current frequency.
Amplitude (U20 - Bit 19)
Float
The current amplitude.
Reserved
(U20 - Bits 18-0)
Must always be 0.